Just a washer, but a washer nonetheless... Please take this opportunity to hear for yourself. Thank you for viewing. This is an original bolt/rod washer, brand new, unused, 20 pieces, made in Japan. It is cast without burrs, with chamfered inner and outer circumferences, a glossy finish on one side, and a hairline finish on the other, allowing you to choose the loosening prevention effect depending on the direction of installation. It can be used not only for snares, but also for toms and bass drums. Typical opinions from users who have purchased these include: ① The clarity and sharpness improved, and the sound quality improved. ② Overtones became pleasant, and the snare itself started to resonate. ③ Beautiful high frequencies were added, transforming the sound into something usable. ④ The washer itself has a high density and mass, and I feel it has a positive impact on the sound. ⑤ The sound of open & closed rimshots is pleasant. ⑥ Due to the characteristics of the material, the tension bolts are less likely to loosen even with hard hits. ⑦ Compared to brass washers released by multiple manufacturers in the past, the build quality is the best. ⑧ It is useful as it is compatible with Sonor's minus-head bolts and rods. Brass has excellent acoustic properties and is used in guitars and basses for sustain blocks, saddles, bridge bodies, pegs, nuts, etc. Looking at drums, one of the reasons why vintage instruments like 60s Supra-Phonic and old Radio Kings are favored is the influence on the sound due to the use of brass hoops and washers. If you are dissatisfied with your drum sound, it is more affordable than replacing the hoops, and you can definitely feel the change. Please note that we are unable to offer discounts due to rising prices and soaring raw material costs. Thank you for your understanding.